SendGrid outage, November 2026: MMS Delivery Delays and Delivery Receipt Delays from a Subset of Twilio Long Codes and Short Codes to AT&T United States

SendGrid is reporting an incident: MMS Delivery Delays and Delivery Receipt Delays from a Subset of Twilio Long Codes and Short Codes to AT&T United States. It is still open.

Degraded

From SendGrid's official status page, in their words.

What happened

Started
Status
monitoring
Duration
11.4 hours so far
Impact
minor
Affected
MMS Long Code, North America, MMS Long Code, North America, MMS Short Code, North America
  1. Investigating
  2. Identified
  3. Monitoring
  4. Resolvednot yet

Why it happened

SendGrid has not given a cause yet. We never guess one.

This incident on the SendGrid status page

Timeline

Newest first. From SendGrid's official status page, in their words.

  1. monitoring

    We have observed a recovery in MMS delivery and MMS delivery receipts from a subset of Twilio Long Codes and Short Codes to AT&T network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

  2. identified

    Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes and Short Codes to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 4 hours or as soon as more information becomes available.

  3. identified

    Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes and Short Codes to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.

  4. identified

    Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes and Short Codes to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

  5. identified

    Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Long Codes and Short Codes to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

  6. investigating

    Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Long Codes and Short Codes to AT&T network subscribers in the United States. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

What this means for a business

  • Pause scheduled campaigns if you can; otherwise they queue and send when it is back.
  • Reply to urgent customers from your normal mailbox.
  • Form leads and chats are usually kept and delivered late, not lost.

The full guide: what to do when a service you rely on is down

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